Yoanner Negrín (born April 29, 1984) is a professional baseball pitcher for the Leones de Yucatán of the Mexican League.

In 2012, he spent most of the season on loan to the Mexican League and pitched in 24 games (with 16 starts) for the Olmecas de Tabasco.

Cumulatively, he made 75 appearances for Iowa and registered a 6–11 record and 4.28 ERA with 204 strikeouts and 2 saves in 212+1⁄3 innings pitched.

[4] In 2022, he appeared in 18 games (17 starts) for Yucatán, but struggled to a 4-4 record and 6.78 ERA with 51 strikeouts in 82+1⁄3 innings pitched.

[6] In June 2023, Negrín represented Mexico at the 2023 Central American and Caribbean Games, where the team won the gold medal.